:root{--bg:#f4f6f8;--surface:#fff;--soft:#f9fafb;--text:#17202a;--muted:#637083;--line:#d7dee8;--brand:#116a5c;--brand-dark:#0d544a;--accent:#b85c00;--danger:#b42318;--ok:#067647;--shadow:0 14px 34px #17202a14}*{box-sizing:border-box}body{min-height:100vh;color:var(--text);background:var(--bg);margin:0;font:14px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,select,textarea{font:inherit}button:disabled,textarea:disabled{opacity:.6;cursor:not-allowed}.app-shell{grid-template-columns:256px minmax(0,1fr);min-height:100vh;transition:grid-template-columns .16s;display:grid}.app-shell.sidebar-collapsed{grid-template-columns:72px minmax(0,1fr)}.sidebar{color:#fff;background:#17202a;padding:20px 14px;overflow:hidden}.brand{align-items:center;gap:12px;padding:4px 8px 24px;display:flex}.brand-mark{background:var(--brand);border-radius:8px;place-items:center;width:36px;height:36px;font-weight:750;display:grid}.brand h1{margin:0;font-size:18px;line-height:1.2}.brand-copy{min-width:0}.sidebar-toggle{color:#d6dde7;cursor:pointer;background:#ffffff0f;border:1px solid #ffffff1a;border-radius:7px;flex:0 0 32px;place-items:center;width:32px;height:32px;margin-left:auto;display:grid}.sidebar-toggle svg{width:17px;height:17px}.sidebar-toggle:hover{color:#fff;background:#ffffff1f}.brand p,.tool-head p{color:var(--muted);margin:3px 0 0}.brand p{color:#b9c2cf;font-size:12px}.nav{gap:14px;display:grid}.nav-group{gap:7px;display:grid}.nav-group-toggle{color:#9aa8b9;letter-spacing:0;text-transform:uppercase;background:0 0;border-color:#0000;justify-content:space-between;width:100%;height:32px;padding:0 8px;font-size:12px}.nav-group-toggle:hover,.nav-group.active .nav-group-toggle{color:#fff;background:#ffffff0f}.nav-group-icon{width:15px;height:15px;transition:transform .16s}.nav-group-toggle[aria-expanded=true] .nav-group-icon{transform:rotate(180deg)}.nav-group-items{gap:6px;display:grid}.nav-item{color:#d6dde7;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;align-items:center;gap:10px;width:100%;height:38px;padding:0 10px 0 18px;display:flex}.nav-icon{flex:0 0 18px;width:18px;height:18px}.nav-item:hover,.nav-item.active{color:#fff;background:#ffffff1a}.sidebar-collapsed .sidebar{padding-inline:10px}.sidebar-collapsed .brand{justify-content:center;padding-inline:0}.sidebar-collapsed .brand-copy,.sidebar-collapsed .nav-group-toggle span,.sidebar-collapsed .nav-group-icon,.sidebar-collapsed .nav-item span,.sidebar-collapsed .brand-mark{display:none}.sidebar-collapsed .sidebar-toggle{margin-left:0}.sidebar-collapsed .nav{gap:10px}.sidebar-collapsed .nav-group{gap:6px}.sidebar-collapsed .nav-group-toggle{display:none}.sidebar-collapsed .nav-item{justify-content:center;width:48px;padding:0}.sidebar-collapsed .nav-icon{margin:0}.workspace{min-width:0;padding:24px}.tool-head{justify-content:space-between;gap:16px;margin-bottom:18px;display:flex}.tool-head h2{margin:0;font-size:24px;font-weight:720}.tool-grid{grid-template-columns:minmax(0,1.12fr) minmax(340px,.88fr);align-items:stretch;gap:18px;display:grid}.panel{background:var(--surface);border:1px solid var(--line);min-width:0;box-shadow:var(--shadow);border-radius:8px;flex-direction:column;display:flex;overflow:hidden}.panel-head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;min-height:58px;padding:12px 14px;display:flex}.panel-head h3{margin:0;font-size:15px;font-weight:680}.inline-actions{flex-wrap:wrap;justify-content:flex-end;align-items:end;gap:10px;padding:14px 14px 0;display:flex}.json-actions{background:#f8fafc;border:1px solid #e5ebf3;border-radius:8px;flex-wrap:nowrap;justify-content:flex-start;align-items:center;gap:8px;margin:14px 14px 0;padding:8px;display:flex;overflow-x:auto}.json-actions .select-field,.json-actions .inline-field{background:#fff;border:1px solid #dbe3ee;border-radius:8px;flex:none;align-items:center;gap:8px;min-width:0;min-height:44px;padding:4px 5px 4px 9px;display:flex}.json-actions .select-field{width:auto}.json-actions .field>span,.json-actions .select-field>span{color:#526176;white-space:nowrap;align-items:center;min-height:34px;font-size:12px;font-weight:680;display:flex}.json-actions .select-field select{border-radius:6px;width:66px;height:34px;padding:0 26px 0 9px}.json-actions .segmented{border-radius:6px;flex:none}.json-actions .segmented label{min-width:54px;height:32px}.inline-actions.json-actions .segmented label{height:32px}.json-actions .date-inline-field{gap:8px}.json-actions .date-inline-field>span{min-height:34px}.json-actions .field input{border-radius:6px;height:34px}.json-actions .ghost{white-space:nowrap;flex:none;min-width:66px;height:44px;margin-left:auto;padding:0 14px}.json-actions-java{flex-wrap:wrap;row-gap:8px;overflow-x:visible}.json-actions-java .json-class-field input{width:160px}.json-actions-java .json-field-mode .segmented label:last-child{min-width:82px}.json-actions-java .ghost{margin-left:auto}.segmented{background:var(--soft);border:1px solid var(--line);border-radius:7px;width:fit-content;max-width:100%;display:flex;overflow-x:auto}.segmented label{min-width:60px;height:34px;color:var(--muted);border-right:1px solid var(--line);cursor:pointer;white-space:nowrap;place-items:center;display:grid}.segmented label:last-child{border-right:0}.segmented input{opacity:0;pointer-events:none;position:absolute}.segmented input:checked+span{background:var(--brand);color:#fff}.segmented span{place-items:center;width:100%;height:100%;padding:0 10px;display:grid}.inline-actions .segmented label{height:38px}textarea{resize:vertical;border:1px solid var(--line);width:calc(100% - 28px);min-height:420px;color:var(--text);border-radius:8px;outline:none;margin:14px;padding:13px;font:13px/1.55 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;display:block}.panel>textarea{flex:auto}textarea:focus,input:focus{border-color:var(--brand);box-shadow:0 0 0 3px #116a5c21}.output-list{gap:12px;padding:14px;display:grid}.result-panel{flex-direction:column;flex:auto;gap:12px;min-height:0;padding:14px;display:flex}.empty-state{min-height:160px;color:var(--muted);border:1px dashed var(--line);background:var(--soft);border-radius:8px;place-items:center;display:grid}.timestamp-row{border:1px solid var(--line);border-radius:8px;grid-template-columns:minmax(0,1fr) auto;gap:8px 12px;padding:12px;display:grid}.timestamp-row .source{color:var(--muted);overflow-wrap:anywhere;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.timestamp-row .value{overflow-wrap:anywhere;font-size:17px;font-weight:680}.badge{min-width:58px;height:26px;color:var(--accent);background:#fff7ed;border-radius:999px;align-self:start;place-items:center;font-size:12px;font-weight:680;display:grid}.timestamp-row.error{background:#fff7f7;border-color:#b4231857}.timestamp-row.error .value{color:var(--danger)}.drop-zone{text-align:center;min-height:82px;color:var(--muted);background:var(--soft);cursor:pointer;border:1px dashed #9eabba;border-radius:8px;place-items:center;margin:14px 14px 0;display:grid}.drop-zone input{display:none}.field{gap:7px;display:grid}.field span,.select-field span,.metric span{color:var(--muted);font-size:13px}.field input,.select-field select{border:1px solid var(--line);height:40px;color:var(--text);background:#fff;border-radius:7px;outline:none;padding:0 11px}.select-field{gap:7px;min-width:96px;display:grid}.inline-field{min-width:180px}.form-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}.output-textarea{flex:auto;width:100%;min-height:0;margin:0}.json-node-list{gap:10px;display:grid}.json-node-list-head{justify-content:space-between;align-items:center;gap:10px;min-height:30px;display:flex}.json-node-list-head h4{margin:0;font-size:14px;font-weight:680}.json-node-list-head span{color:var(--ok);font-size:12px}.json-node-list-head span.error{color:var(--danger)}.json-node-table{border:1px solid var(--line);background:#fff;border-radius:8px;max-height:360px;overflow:auto}.json-node-row{min-width:420px;padding:10px 10px 10px calc(10px + var(--level,0) * 16px);border-bottom:1px solid var(--line);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;display:grid}.json-node-row:last-child{border-bottom:0}.json-node-main{gap:5px;min-width:0;display:grid}.json-node-line{align-items:center;gap:6px;min-width:0;display:flex}.json-node-toggle,.json-node-toggle-spacer{flex:0 0 22px;width:22px;height:22px}.json-node-toggle{color:var(--muted);background:0 0;border:0;border-radius:6px;padding:0}.json-node-toggle:hover{background:var(--soft);color:var(--text)}.json-node-toggle-icon{width:16px;height:16px;transition:transform .14s}.json-node-toggle.expanded .json-node-toggle-icon{transform:rotate(90deg)}.json-node-path,.json-node-preview{text-overflow:ellipsis;white-space:nowrap;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;display:block;overflow:hidden}.json-node-path{color:var(--brand-dark);font-weight:700}.json-node-preview{color:var(--text);font-size:12px}.json-node-meta,.json-node-actions{flex-wrap:wrap;align-items:center;gap:7px;display:flex}.json-node-meta span{color:var(--muted);font-size:12px}.button-icon{flex:0 0 15px;width:15px;height:15px}.compact-area{min-height:160px}.metrics{grid-template-columns:1fr 1fr;gap:10px;display:grid}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding:14px;display:grid}.metric,.message{border:1px solid var(--line);background:var(--soft);border-radius:8px}.metric{min-height:74px;padding:12px}.metric strong{overflow-wrap:anywhere;margin-top:7px;font-size:18px;font-weight:720;display:block}.message{min-height:48px;color:var(--muted);overflow-wrap:anywhere;padding:12px}.message.ok{color:var(--ok);background:#f0fdf7;border-color:#06764752}.message.error{color:var(--danger);background:#fff5f5;border-color:#b4231852}.button-row{grid-template-columns:1fr 1fr;gap:10px;display:grid}button,.download{cursor:pointer;border:1px solid #0000;border-radius:7px;justify-content:center;align-items:center;gap:8px;height:40px;font-weight:680;text-decoration:none;display:inline-flex}.primary{color:#fff;background:var(--brand)}.primary:hover{background:var(--brand-dark)}.secondary,.ghost,.download{color:var(--text);border-color:var(--line);background:#fff}.compact{min-width:58px;height:34px}.secondary:hover,.ghost:hover,.download:hover{background:var(--soft);border-color:#a9b5c3}.download.disabled{opacity:.55;cursor:not-allowed}.plain-row{border:1px solid var(--line);overflow-wrap:anywhere;background:#fff;border-radius:8px;align-items:center;min-height:42px;padding:10px 12px;display:flex}.upload-button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:7px;justify-content:center;align-items:center;min-width:96px;height:40px;padding:0 12px;font-weight:680;display:inline-flex}.upload-button input{display:none}.upload-button:hover{background:var(--soft);border-color:#a9b5c3}.flag-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.check-field{border:1px solid var(--line);min-height:36px;color:var(--text);background:#fff;border-radius:7px;align-items:center;gap:8px;padding:8px 10px;display:flex}.check-field input{width:16px;height:16px}.regex-results{gap:10px;max-height:420px;padding:14px;display:grid;overflow:auto}.regex-match{border:1px solid var(--line);background:#fff;border-radius:8px;gap:8px;padding:12px;display:grid}.regex-match-head{color:var(--muted);justify-content:space-between;align-items:center;gap:10px;display:flex}.regex-match code,.regex-note code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.regex-match>code{background:var(--soft);color:var(--text);overflow-wrap:anywhere;border-radius:6px;padding:8px;display:block}.regex-detail{gap:6px;display:grid}.regex-detail span{color:var(--muted);font-size:12px}.regex-detail pre{background:var(--soft);border-radius:6px;margin:0;padding:8px;font:12px/1.45 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;overflow:auto}.regex-notes{border:1px solid var(--line);background:var(--soft);border-radius:8px;gap:8px;margin:0 14px 14px;padding:12px;display:grid}.regex-notes h4{margin:0 0 2px;font-size:14px}.regex-note{grid-template-columns:minmax(92px,.32fr) minmax(0,1fr);gap:10px;display:grid}.regex-note code{color:var(--accent)}.syntax-notes,.code-examples{border:1px solid var(--line);background:var(--soft);border-radius:8px;gap:8px;margin:0 14px 14px;padding:12px;display:grid}.syntax-notes h4,.code-examples h4{margin:0 0 2px;font-size:14px}.syntax-note{grid-template-columns:minmax(92px,.32fr) minmax(0,1fr);gap:10px;display:grid}.syntax-note.three-col{grid-template-columns:minmax(40px,.14fr) minmax(64px,.18fr) minmax(0,1fr)}.syntax-note code{color:var(--accent);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.code-example{border:1px solid var(--line);background:#fff;border-radius:8px;overflow:hidden}.code-example-head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:10px;min-height:38px;padding:8px 10px;display:flex}.code-example pre{margin:0;padding:10px;font:12px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;overflow:auto}.diff-input-grid{background:#fff;border:1px solid #d9d9d9;border-radius:7px;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0;margin-top:12px;display:grid;overflow:hidden}.diff-input-grid textarea{min-height:220px}.diff-editor-pane{background:#fff;min-width:0}.diff-editor-pane+.diff-editor-pane{border-left:1px solid #ddd}.diff-editor-pane-head{background:#fbfbfb;border-bottom:1px solid #e5e5e5;justify-content:space-between;align-items:center;gap:10px;min-height:44px;padding:8px 10px;display:flex}.diff-editor-pane-head strong{font-size:14px}.diff-pane-actions{color:var(--muted);flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:6px;font-size:12px;display:flex}.diff-pane-actions span{border:1px solid var(--line);background:var(--soft);border-radius:999px;padding:3px 7px}.compact-upload{height:28px;padding:0 10px;font-size:12px}.diff-editor-box{background:#fff;border:0;border-radius:0;height:520px;margin:0;position:relative;overflow:hidden}.diff-editor-overlay{z-index:0;pointer-events:none;position:absolute;inset:0;overflow:hidden}.diff-editor-empty{color:var(--muted);padding:0 12px 0 68px;font:16px/28px ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.diff-editor-overlay-rows{will-change:transform;min-width:100%}.diff-editor-line{grid-template-columns:56px minmax(0,1fr);min-height:28px;display:grid}.diff-editor-line-fill{min-height:28px}.diff-editor-input{z-index:1;resize:none;color:#151515;caret-color:#151515;pointer-events:auto;white-space:pre;-webkit-text-fill-color:#151515;background:0 0;border:0;border-radius:0;outline:0;width:100%;height:100%;margin:0;padding:0 12px 0 68px;font:16px/28px ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;position:absolute;inset:0;overflow:auto;min-height:0!important}.diff-editor-input::placeholder{color:var(--muted);opacity:.7}.diff-editor-input::selection{color:#151515;background:#4a5cff38}.diff-panel{grid-column:1/-1}.diff-panel .message{border-radius:6px;min-height:34px;padding:8px 10px}.diff-panel .metrics{grid-template-columns:repeat(4,minmax(0,1fr))}.diff-panel .flag-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.diff-panel .metric{min-height:54px;padding:9px 10px}.diff-panel .metric strong{margin-top:3px;font-size:16px}.diff-actions{flex-wrap:wrap;gap:8px;display:flex}.diff-nav{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;margin:8px 0 10px;display:flex}.diff-status-pill{color:#fff;background:#1fd0a0;border-radius:5px;padding:8px 12px;font-size:15px;font-weight:800;line-height:1}.diff-status-pill.ok{background:#20b486}.diff-nav-button{color:#f05d5d;cursor:pointer;background:#ffe4e4;border:0;border-radius:5px;min-width:82px;height:42px;padding:0 16px;font-size:15px;font-weight:800}.diff-nav-button:disabled{opacity:.45;cursor:not-allowed}.diff-line-no{min-height:28px;color:var(--muted);text-align:right;-webkit-user-select:none;user-select:none;background:#17202a08;border-right:1px solid #e7e7e7;padding:0 8px 0 6px;font:16px/28px ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.diff-row-different.diff-editor-line,.diff-row-different.diff-editor-line .diff-line-no{background:#ffffda}.diff-row-current.diff-editor-line,.diff-row-current.diff-editor-line .diff-line-no{background:#fff6af;box-shadow:inset 0 1px #efe267,inset 0 -1px #efe267}@media (width<=980px){.app-shell{grid-template-columns:1fr}.sidebar{padding:14px}.brand{padding-bottom:14px}.nav{align-items:flex-start;gap:10px;display:flex;overflow-x:auto}.nav-group{flex:0 0 190px;gap:6px}.nav-group-toggle{background:#ffffff0a;border:1px solid #ffffff14;height:34px}.nav-item{min-width:0;padding-left:12px}.workspace{padding:18px}.tool-grid,.diff-input-grid{grid-template-columns:1fr}}@media (width<=560px){.tool-head,.panel-head{flex-direction:column;align-items:flex-start}.tool-head h2{font-size:21px}.inline-actions,.button-row,.metrics,.stats-grid,.flag-grid,.form-grid{grid-template-columns:1fr;width:100%}.regex-note,.syntax-note,.syntax-note.three-col{grid-template-columns:1fr}.diff-actions{width:100%}.diff-actions .compact{flex:auto}.inline-actions{display:grid}.segmented{width:100%}.segmented label{flex:1 0 auto}textarea{min-height:300px}.timestamp-row{grid-template-columns:1fr}.badge{justify-self:start}}